#include <iostream>
 #include <unistd.h>
int main(){
    
    printf("hello world \r\n");
    long count = 1000000000;
    char *ip = new char[count];
    for (size_t i = 0; i < count; i++)
    {
        char *p = new char['a'];
        ip[i] = *p;
        printf("i = %lu \r\n ",i);
    }
    
    printf("size = %-8lu \r\n ",sizeof(ip));
    sleep(30);
    return 0;
}